<template>
  <div class="shopcart-container">
    <!--商品列表项-->
    <div class="goods-list">

      <div class="mui-card" v-for="(item,index) in goodslist" :key="item.id">
        <div class="mui-card-content">
          <div class="mui-card-content-inner">
            <mt-switch :value.sync="$store.getters.getGoodsSelected[item.id]"
                       @change="selectedChanged(item.id,!$store.getters.getGoodsSelected[item.id])"></mt-switch>
            <img :src="item.thumb_path" alt="">
            <div class="info">
              <h1>{{item.title}}</h1>
              <p>
                <span class="price">￥{{item.sell_price}}</span>
                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                <a href="#" @click.prevent="remove(item.id,index)">删除</a>
              </p>
            </div>
          </div>
        </div>
      </div>
    </div>


    <!--结算区域-->
    <div class="mui-card">
      <div class="mui-card-content">
        <div class="mui-card-content-inner jiesuan">
          <div class="left">
            <p>总计(不含运费)</p>
            <p>已勾选商品 <span>{{$store.getters.getGoodsCountandAndAmount['count']}}</span> 件，总价 <span>￥{{$store.getters.getGoodsCountandAndAmount['amount']}}</span>
            </p>
          </div>
          <mt-button type="danger">去结算</mt-button>
        </div>
      </div>
    </div>
    {{$store.getters.getGoodsSelected}}
  </div>
</template>

<script>
  import {Toast} from 'mint-ui';
  import numbox from '../subcomponents/shopcart_numbox.vue';

  export default {
    data() {
      return {
        goodslist: [],//购物车中所有商品的数据
      }
    },
    created() {
      this.getGoodsList();
    },
    methods: {

      getGoodsList() {
        //获取到store中所有商品的id,然后拼接出用,分隔的字符串
        let idArr = [];
        this.$store.state.car.forEach(item => {
          idArr.push(item.id);
        });
        if (idArr.length <= 0) {
          //购物车为空时直接返回
          return;
        }
        this.$http.get('api/goods/getshopcarlist/' + idArr.join(','))
          .then(result => {
            if (result.body.status === 0) {
              this.goodslist = result.body.message;
            } else {
              Toast('获取商品列表失败');
            }
          });
      },
      remove(id, index) {
        //点击删除，通过id删除store里的商品 同时通过index删除goodslist里的商品
        this.goodslist.splice(index, 1);
        this.$store.commit('removeFromCar', id);
      },
      selectedChanged(id, selected) {
        console.log(id + '---' + selected);
        //状态改变
        this.$store.commit('updateGoodsSelected', {
          id: id,
          selected: selected
        })
      }
    },
    components: {
      numbox
    }
  }
</script>

<style lang="scss" scoped>
  .shopcart-container {
    background-color: #eee;
    overflow: hidden;

    .goods-list {
      .mui-card-content-inner {
        display: flex;
        align-items: center;

        img {
          width: 60px;
          height: 60px;
        }

        .info {
          h1 {
            font-size: 13px;
          }

          p {
            margin-top: 10px;

            .price {
              color: red;
              font-weight: bold;
            }
          }

        }
      }
    }

    .jiesuan {
      display: flex;
      justify-content: space-between;
      align-items: center;

      span {
        color: red;
        font-weight: bold;
        font-size: 16px;
      }
    }
  }

</style>